<template>
  <div class="mobile-mj">
    <van-form @submit="generate">
      <div class="text-line">图片比例</div>
      <div class="text-line">
        <van-row :gutter="10">
          <van-col :span="4" v-for="item in rates" :key="item.value">
            <div :class="item.value === params.rate ? 'rate active' : 'rate'" @click="changeRate(item)">
              <div class="icon">
                <van-image :src="item.img" fit="cover"></van-image>
              </div>
              <div class="text">{{ item.text }}</div>
            </div>
          </van-col>
        </van-row>
      </div>
      <div class="text-line">模型选择</div>
      <div class="text-line">
        <van-row :gutter="10">
          <van-col :span="8" v-for="item in models" :key="item.value">
            <div :class="item.value === params.model ? 'model active' : 'model'" @click="changeModel(item)">
              <div class="icon">
                <van-image :src="item.img" fit="cover"></van-image>
              </div>
              <div class="text">
                <van-text-ellipsis :content="item.text" />
              </div>
            </div>
          </van-col>
        </van-row>
      </div>
      <div class="text-line">
        <van-field label="创意度">
          <template #input>
            <van-slider v-model.number="params.chaos" :max="100" :step="1" @update:model-value="showToast('当前值：' + params.chaos)" />
          </template>
        </van-field>
      </div>

      <div class="text-line">
        <van-field label="风格化">
          <template #input>
            <van-slider v-model.number="params.stylize" :max="1000" :step="1" @update:model-value="showToast('当前值：' + params.stylize)" />
          </template>
        </van-field>
      </div>

      <div class="text-line">
        <van-field label="原始模式">
          <template #input>
            <van-switch v-model="params.raw" />
          </template>
        </van-field>
      </div>

      <div class="text-line">
        <van-tabs v-model:active="activeName" @change="tabChange" animated>
          <van-tab title="文生图" name="txt2img">
            <div class="text-line">
              <van-field
                v-model="params.prompt"
                rows="3"
                autosize
                type="textarea"
                placeholder="请在此输入绘画提示词，系统会自动翻译中文提示词，高手请直接输入英文提示词"
              />
            </div>
          </van-tab>
          <van-tab title="图生图" name="img2img">
            <div class="text-line">
              <van-field
                v-model="params.prompt"
                rows="3"
                autosize
                type="textarea"
                placeholder="请在此输入绘画提示词，系统会自动翻译中文提示词，高手请直接输入英文提示词"
              />
            </div>

            <div class="text-line">
              <van-uploader v-model="imgList" :after-read="uploadImg" />
            </div>
            <div class="text-line">
              <van-field label="垫图权重">
                <template #input>
                  <van-slider v-model.number="params.iw" :max="1" :step="0.01" @update:model-value="showToast('当前值：' + params.iw)" />
                </template>
              </van-field>
            </div>

            <div class="tip-text">提示：只有于 niji6 和 v6 模型支持一致性功能，如果选择其他模型此功能将会生成失败。</div>
            <van-cell-group>
              <van-field v-model="params.cref" center clearable label="角色一致性" placeholder="请输入图片URL或者上传图片">
                <template #button>
                  <van-uploader @click="beforeUpload('cref')" :after-read="uploadImg">
                    <van-button size="mini" type="primary" icon="plus" />
                  </van-uploader>
                </template>
              </van-field>
            </van-cell-group>

            <van-cell-group>
              <van-field v-model="params.sref" center clearable label="风格一致性" placeholder="请输入图片URL或者上传图片">
                <template #button>
                  <van-uploader @click="beforeUpload('sref')" :after-read="uploadImg">
                    <van-button size="mini" type="primary" icon="plus" />
                  </van-uploader>
                </template>
              </van-field>
            </van-cell-group>

            <div class="text-line">
              <van-field label="一致性权重">
                <template #input>
                  <van-slider v-model.number="params.cw" :max="100" :step="1" @update:model-value="showToast('当前值：' + params.cw)" />
                </template>
              </van-field>
            </div>
          </van-tab>
          <van-tab title="融图" name="blend">
            <div class="tip-text">请上传两张以上的图片，最多不超过五张，超过五张图片请使用图生图功能。</div>
            <div class="text-line">
              <van-uploader v-model="imgList" :after-read="uploadImg" />
            </div>
          </van-tab>
          <van-tab title="换脸" name="swapFace">
            <div class="tip-text">请上传两张有脸部的图片，用左边图片的脸替换右边图片的脸。</div>
            <div class="text-line">
              <van-uploader v-model="imgList" :after-read="uploadImg" />
            </div>
          </van-tab>
        </van-tabs>
      </div>

      <div class="text-line">
        <van-collapse v-model="activeColspan">
          <van-collapse-item title="反向提示词" name="neg_prompt">
            <van-field v-model="params.neg_prompt" rows="3" autosize type="textarea" placeholder="不想出现在图片上的元素(例如：树，建筑)" />
          </van-collapse-item>
        </van-collapse>
      </div>

      <div class="text-line pt-6">
        <el-tag>绘图消耗{{ mjPower }}算力，U/V 操作消耗{{ mjActionPower }}算力，当前算力：{{ power }}</el-tag>
      </div>

      <div class="text-line">
        <van-button round block type="primary" native-type="submit"> 立即生成 </van-button>
      </div>
    </van-form>

    <h3>任务列表</h3>
    <div class="running-job-list pt-3 pb-3">
      <van-empty
        v-if="runningJobs.length === 0"
        image="https://fastly.jsdelivr.net/npm/@vant/assets/custom-empty-image.png"
        image-size="80"
        description="暂无记录"
      />
      <van-grid :gutter="10" :column-num="3" v-else>
        <van-grid-item v-for="item in runningJobs" :key="item.id">
          <div v-if="item.progress > 0">
            <van-image src="/images/img-holder.png"></van-image>
            <div class="progress">
              <van-circle v-model:current-rate="item.progress" :rate="item.progress" :speed="100" :text="item.progress + '%'" :stroke-width="60" size="90px" />
            </div>
          </div>

          <div v-else class="task-in-queue">
            <span class="icon"><i class="iconfont icon-quick-start"></i></span>
            <span class="text">排队中</span>
          </div>
        </van-grid-item>
      </van-grid>
    </div>

    <h3>创作记录</h3>
    <div class="finish-job-list">
      <van-empty
        v-if="finishedJobs.length === 0"
        image="https://fastly.jsdelivr.net/npm/@vant/assets/custom-empty-image.png"
        image-size="80"
        description="暂无记录"
      />

      <van-list
        v-else
        v-model:error="error"
        v-model:loading="loading"
        :finished="finished"
        error-text="请求失败，点击重新加载"
        finished-text="没有更多了"
        @load="onLoad"
      >
        <van-grid :gutter="10" :column-num="2">
          <van-grid-item v-for="item in finishedJobs" :key="item.id">
            <div class="failed" v-if="item.progress === 101">
              <div class="title">任务失败</div>
              <div class="opt">
                <van-button size="small" @click="showErrMsg(item)">详情</van-button>
                <van-button type="danger" @click="removeImage(item)" size="small">删除</van-button>
              </div>
            </div>
            <div class="job-item" v-else>
              <van-image :src="item['thumb_url']" :class="item['can_opt'] ? '' : 'upscale'" lazy-load @click="imageView(item)" fit="cover">
                <template v-slot:loading>
                  <van-loading type="spinner" size="20" />
                </template>
                <template v-slot:error>
                  <span style="margin-bottom: 20px">正在下载图片</span>
                  <van-loading type="circular" color="#1989fa" size="40" />
                </template>
              </van-image>

              <div class="opt" v-if="item['can_opt']">
                <van-grid :gutter="3" :column-num="4">
                  <van-grid-item><a @click="upscale(1, item)" class="opt-btn">U1</a></van-grid-item>
                  <van-grid-item><a @click="upscale(2, item)" class="opt-btn">U2</a></van-grid-item>
                  <van-grid-item><a @click="upscale(3, item)" class="opt-btn">U3</a></van-grid-item>
                  <van-grid-item><a @click="upscale(4, item)" class="opt-btn">U4</a></van-grid-item>
                  <van-grid-item><a @click="variation(1, item)" class="opt-btn">V1</a></van-grid-item>
                  <van-grid-item><a @click="variation(2, item)" class="opt-btn">V2</a></van-grid-item>
                  <van-grid-item><a @click="variation(3, item)" class="opt-btn">V3</a></van-grid-item>
                  <van-grid-item><a @click="variation(4, item)" class="opt-btn">V4</a></van-grid-item>
                </van-grid>
              </div>

              <div class="remove">
                <el-button type="danger" :icon="Delete" @click="removeImage(item)" circle />
                <el-button type="warning" v-if="item.publish" @click="publishImage(item, false)" circle>
                  <i class="iconfont icon-cancel-share"></i>
                </el-button>
                <el-button type="success" v-else @click="publishImage(item, true)" circle>
                  <i class="iconfont icon-share-bold"></i>
                </el-button>
                <el-button type="primary" @click="showPrompt(item)" circle>
                  <i class="iconfont icon-prompt"></i>
                </el-button>
              </div>
            </div>
          </van-grid-item>
        </van-grid>
      </van-list>
    </div>

    <button style="display: none" class="copy-prompt" :data-clipboard-text="prompt" id="copy-btn">复制</button>
  </div>
</template>

<script setup>
import { nextTick, onMounted, onUnmounted, ref } from "vue";
import { showConfirmDialog, showFailToast, showImagePreview, showNotify, showSuccessToast, showToast, showDialog } from "vant";
import { httpGet, httpPost } from "@/utils/http";
import Compressor from "compressorjs";
import { getSessionId } from "@/store/session";
import { checkSession, getClientId, getSystemInfo } from "@/store/cache";
import { useRouter } from "vue-router";
import { Delete } from "@element-plus/icons-vue";
import { showLoginDialog } from "@/utils/libs";
import Clipboard from "clipboard";
import { useSharedStore } from "@/store/sharedata";

const activeColspan = ref([""]);

const rates = [
  { css: "square", value: "1:1", text: "1:1", img: "/images/mj/rate_1_1.png" },
  { css: "size2-3", value: "2:3", text: "2:3", img: "/images/mj/rate_3_4.png" },
  { css: "size3-4", value: "3:4", text: "3:4", img: "/images/mj/rate_3_4.png" },
  { css: "size4-3", value: "4:3", text: "4:3", img: "/images/mj/rate_4_3.png" },
  { css: "size16-9", value: "16:9", text: "16:9", img: "/images/mj/rate_16_9.png" },
  { css: "size9-16", value: "9:16", text: "9:16", img: "/images/mj/rate_9_16.png" },
];
const models = [
  { text: "MJ-6.0", value: " --v 6", img: "/images/mj/mj-v6.png" },
  { text: "MJ-5.2", value: " --v 5.2", img: "/images/mj/mj-v5.2.png" },
  { text: "Niji5", value: " --niji 5", img: "/images/mj/mj-niji.png" },
  { text: "Niji5 可爱", value: " --niji 5 --style cute", img: "/images/mj/nj1.jpg" },
  { text: "Niji5 风景", value: " --niji 5 --style scenic", img: "/images/mj/nj2.jpg" },
  { text: "Niji6", value: " --niji 6", img: "/images/mj/nj3.jpg" },
];
const imgList = ref([]);
const params = ref({
  client_id: getClientId(),
  task_type: "image",
  rate: rates[0].value,
  model: models[0].value,
  chaos: 0,
  stylize: 0,
  seed: 0,
  img_arr: [],
  raw: false,
  iw: 0,
  prompt: "",
  neg_prompt: "",
  tile: false,
  quality: 0,
  cref: "",
  sref: "",
  cw: 0,
});
const userId = ref(0);
const router = useRouter();
const runningJobs = ref([]);
const finishedJobs = ref([]);
const power = ref(0);
const activeName = ref("txt2img");
const isLogin = ref(false);
const prompt = ref("");
const store = useSharedStore();
const clipboard = ref(null);

onMounted(() => {
  clipboard.value = new Clipboard(".copy-prompt");
  clipboard.value.on("success", () => {
    showNotify({ type: "success", message: "复制成功", duration: 1000 });
  });
  clipboard.value.on("error", () => {
    showNotify({ type: "danger", message: "复制失败", duration: 2000 });
  });

  checkSession()
    .then((user) => {
      power.value = user["power"];
      userId.value = user.id;
      isLogin.value = true;
      fetchRunningJobs();
      fetchFinishJobs(1);
    })
    .catch(() => {
      // router.push('/login')
    });

  store.addMessageHandler("mj", (data) => {
    if (data.channel !== "mj" || data.clientId !== getClientId()) {
      return;
    }
    if (data.body === "FINISH" || data.body === "FAIL") {
      page.value = 1;
      fetchFinishJobs(1);
    }
    fetchRunningJobs();
  });
});

onUnmounted(() => {
  clipboard.value.destroy();
  store.removeMessageHandler("mj");
});

const mjPower = ref(1);
const mjActionPower = ref(1);
getSystemInfo()
  .then((res) => {
    mjPower.value = res.data["mj_power"];
    mjActionPower.value = res.data["mj_action_power"];
  })
  .catch((e) => {
    showNotify({ type: "danger", message: "获取系统配置失败：" + e.message });
  });

// 获取运行中的任务
const fetchRunningJobs = (userId) => {
  httpGet(`/api/mj/jobs?finish=0&user_id=${userId}`)
    .then((res) => {
      const jobs = res.data.items;
      const _jobs = [];
      for (let i = 0; i < jobs.length; i++) {
        if (jobs[i].progress === -1) {
          showNotify({
            message: `任务执行失败：${jobs[i]["err_msg"]}`,
            type: "danger",
          });
          if (jobs[i].type === "image") {
            power.value += mjPower.value;
          } else {
            power.value += mjActionPower.value;
          }
          continue;
        }
        _jobs.push(jobs[i]);
      }
      runningJobs.value = _jobs;
    })
    .catch((e) => {
      showNotify({ type: "danger", message: "获取任务失败：" + e.message });
    });
};

const loading = ref(false);
const finished = ref(false);
const error = ref(false);
const page = ref(0);
const pageSize = ref(10);
const fetchFinishJobs = (page) => {
  loading.value = true;
  // 获取已完成的任务
  httpGet(`/api/mj/jobs?finish=1&page=${page}&page_size=${pageSize.value}`)
    .then((res) => {
      const jobs = res.data.items;
      for (let i = 0; i < jobs.length; i++) {
        if (jobs[i].type === "upscale" || jobs[i].type === "swapFace") {
          jobs[i]["thumb_url"] = jobs[i]["img_url"] + "?imageView2/1/w/480/h/600/q/75";
        } else {
          jobs[i]["thumb_url"] = jobs[i]["img_url"] + "?imageView2/1/w/480/h/480/q/75";
        }

        if (jobs[i].type !== "upscale" && jobs[i].progress === 100) {
          jobs[i]["can_opt"] = true;
        }
      }
      if (jobs.length < pageSize.value) {
        finished.value = true;
      }
      if (page === 1) {
        finishedJobs.value = jobs;
      } else {
        finishedJobs.value = finishedJobs.value.concat(jobs);
      }
      nextTick(() => (loading.value = false));
    })
    .catch((e) => {
      loading.value = false;
      error.value = true;
      showFailToast("获取任务失败：" + e.message);
    });
};

const onLoad = () => {
  page.value += 1;
  fetchFinishJobs(page.value);
};

// 切换图片比例
const changeRate = (item) => {
  params.value.rate = item.value;
};
// 切换模型
const changeModel = (item) => {
  params.value.model = item.value;
};

const imgKey = ref("");
const beforeUpload = (key) => {
  imgKey.value = key;
};

// 图片上传
const uploadImg = (file) => {
  file.status = "uploading";
  // 压缩图片并上传
  new Compressor(file.file, {
    quality: 0.6,
    success(result) {
      const formData = new FormData();
      formData.append("file", result, result.name);
      // 执行上传操作
      httpPost("/api/upload", formData)
        .then((res) => {
          file.url = res.data.url;
          if (imgKey.value !== "") {
            // 单张图片上传
            params.value[imgKey.value] = res.data.url;
            imgKey.value = "";
          }
          file.status = "done";
        })
        .catch((e) => {
          file.status = "failed";
          file.message = "上传失败";
          showFailToast("图片上传失败：" + e.message);
        });
    },
    error(err) {
      console.log(err.message);
    },
  });
};

const send = (url, index, item) => {
  httpPost(url, {
    client_id: getClientId(),
    index: index,
    channel_id: item.channel_id,
    message_id: item.message_id,
    message_hash: item.hash,
    session_id: getSessionId(),
    prompt: item.prompt,
  })
    .then(() => {
      showSuccessToast("任务推送成功，请耐心等待任务执行...");
      power.value -= mjActionPower.value;
      fetchRunningJobs();
    })
    .catch((e) => {
      showFailToast("任务推送失败：" + e.message);
    });
};

// 图片放大任务
const upscale = (index, item) => {
  send("/api/mj/upscale", index, item);
};

// 图片变换任务
const variation = (index, item) => {
  send("/api/mj/variation", index, item);
};

const generate = () => {
  if (!isLogin.value) {
    return showLoginDialog(router);
  }

  if (params.value.prompt === "" && params.value.task_type === "image") {
    return showFailToast("请输入绘画提示词！");
  }
  if (params.value.model.indexOf("niji") !== -1 && params.value.raw) {
    return showFailToast("动漫模型不允许启用原始模式");
  }
  params.value.session_id = getSessionId();
  params.value.img_arr = imgList.value.map((img) => img.url);
  httpPost("/api/mj/image", params.value)
    .then(() => {
      showToast("绘画任务推送成功，请耐心等待任务执行");
      power.value -= mjPower.value;
      fetchRunningJobs();
    })
    .catch((e) => {
      showFailToast("任务推送失败：" + e.message);
    });
};

const removeImage = (item) => {
  showConfirmDialog({
    title: "删除提示",
    message: "此操作将会删除任务和图片，继续操作码?",
  })
    .then(() => {
      httpGet("/api/mj/remove", { id: item.id, user_id: item.user_id })
        .then(() => {
          showSuccessToast("任务删除成功");
          fetchFinishJobs(1);
        })
        .catch((e) => {
          showFailToast("任务删除失败：" + e.message);
        });
    })
    .catch(() => {
      showToast("您取消了操作");
    });
};
// 发布图片到作品墙
const publishImage = (item, action) => {
  let text = "图片发布";
  if (action === false) {
    text = "取消发布";
  }
  httpGet("/api/mj/publish", { id: item.id, action: action, user_id: item.user_id })
    .then(() => {
      showSuccessToast(text + "成功");
      item.publish = action;
    })
    .catch((e) => {
      showFailToast(text + "失败：" + e.message);
    });
};

const showPrompt = (item) => {
  prompt.value = item.prompt;
  showConfirmDialog({
    title: "绘画提示词",
    message: item.prompt,
    confirmButtonText: "复制",
    cancelButtonText: "关闭",
  })
    .then(() => {
      document.querySelector("#copy-btn").click();
    })
    .catch(() => {});
};

const showErrMsg = (item) => {
  showDialog({
    title: "错误详情",
    message: item["err_msg"],
  }).then(() => {
    // on close
  });
};

const imageView = (item) => {
  showImagePreview([item["img_url"]]);
};

// 切换菜单
const tabChange = (tab) => {
  if (tab === "txt2img" || tab === "img2img") {
    params.value.task_type = "image";
  } else {
    params.value.task_type = tab;
  }
};
</script>

<style lang="stylus">
@import "@/assets/css/mobile/image-mj.styl"
</style>
